Year	%
1992	1.583553997392771
1993	2.3291314243684855
1994	2.4790622776290694
1995	8.626007238922558
1996	12.279687565002547
1997	4.712578397856518
1998	7.59081240798158
1999	9.282917936745111
2000	12.362531645065408
2001	14.541002018304372
2002	8.547002746798862
2003	5.624748519934633
2004	6.787345316349067
2005	8.290013165342241
2006	9.612352704509943
2007	6.389565196226703
2008	-1.2017622294743442
2009	5.492230433856458
2010	4.674687402783791
2011	2.4643042067769976
2012	4.591413721697811
2013	5.6486416808436335
2014	9.655733868130879
2015	7.912936185874641
2016	7.89628648135895
2017	14.746998632946834
2018	13.948577654373633
2019	14.362891737524757
2020	9.637502015774675